<div class="ion-page">
	<ion-header>
	  	<ion-toolbar>
	    	<ion-title>test</ion-title>
	  	</ion-toolbar>
	</ion-header>

	<ion-content>
		<ion-button expand="block" (click)="showDevice()">show device</ion-button>
		<ion-button expand="block" (click)="showNetwor()">show network</ion-button>
	</ion-content>
</div>